SCRUM

Stories: INVEST
I:Independent
N:Negotiable
V:Valuable
E:Estimable
S:Small
T:Testable

User stories Tasks: SMART
S:Specific
M:Measurable
A:Achievable
R:Relevent
T:Time-Bound

Scrum Master checklist: https://scrummasterchecklist.org

User story estimation Technique: Planing Pocker

Burndown Charts: Linear/Bar.
It shows how much work is done and how much needs to be done.

Mark story points on Y-axis and individual working days on x-axis

Team Velocity: Avg number of points/sprint
pessimistic velocity: Low value
Optimistic velocity: High value